Goldthwaite, J. (1996). The natural history of make-believe: A guide to the principal works of Britain, Europe, and America. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Goldthwaite, John. The Natural History of Make-believe: A Guide to the Principal Works of Britain, Europe, and America. New York: Oxford University Press, 1996.
Lua MLA (9ú heag.)Goldthwaite, John. The Natural History of Make-believe: A Guide to the Principal Works of Britain, Europe, and America. Oxford University Press, 1996.
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